‘SirenJack’ Vulnerability Lets Hackers Hijack Emergency Warning System

The sound of an emergency alert siren can be a nightmare soundtrack to the millions who live in areas subject to hurricanes, tornados, earthquakes, or other natural disasters. A recently disclosed vulnerability in the emergency warning system used by San Francisco and other municipalities could allow a threat actor to take control of the system, sound false alarms, or block legitimate warnings.

While the vendor – ATI – says it has now patched the so-called SirenJack vulnerability, an unencrypted protocol, the process of its discovery could have implications for other locations.

Read more about the unencrypted radio protocol controlling sirens that left the alert system at risk, and about ATI’s patch for it, on DarkReading.

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